Roll third_party/externals/swiftshader 3c6dc555a004..ebefaf7ce64a (4 commits)
Roll third_party/externals/swiftshader 3c6dc555a004..ebefaf7ce64a (4 commits)

https://swiftshader.googlesource.com/SwiftShader.git/+log/3c6dc555a004..ebefaf7ce64a


git log 3c6dc555a004..ebefaf7ce64a --date=short --no-merges --format='%ad %ae %s'
2019-03-09 bclayton@google.com Regres: Drop support for tests results only on new change
2019-03-09 bclayton@google.com Regres: Scan commit message for additional test lists.
2019-03-09 bclayton@google.com Regres: Run latest PS testlists on parent.
2019-03-09 bclayton@google.com SpirvShader: Fix unused local warning in release builds.


Created with:
  gclient setdep -r third_party/externals/swiftshader@ebefaf7ce64a

The AutoRoll server is located here: https://autoroll.skia.org/r/swiftshader-skia-autoroll

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.

CQ_INCLUDE_TRYBOTS=skia.primary:Test-Debian9-Clang-GCE-GPU-SwiftShader-x86_64-Debug-All-SwiftShader
TBR=reed@google.com

Change-Id: Ia58fd552a1df7088cdd316cb72f6fd15f40581f7
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/199463
Reviewed-by: skia-autoroll <e034c62197df5622a9c1bef8b3e012f87a0a9840@skia-public.iam.gserviceaccount.com>
Commit-Queue: skia-autoroll <e034c62197df5622a9c1bef8b3e012f87a0a9840@skia-public.iam.gserviceaccount.com>

Hikari-no-Tenshi/android_external_skia,aosp-mirror/platform_external_skia,rubenvb/skia,rubenvb/skia,google/skia,Hikari-no-Tenshi/android_external_skia,google/skia,aosp-mirror/platform_external_skia,google/skia,Hikari-no-Tenshi/android_external_skia,aosp-mirror/platform_external_skia,google/skia,HalCanary/skia-hc,Hikari-no-Tenshi/android_external_skia,google/skia,google/skia,HalCanary/skia-hc,Hikari-no-Tenshi/android_external_skia,Hikari-no-Tenshi/android_external_skia,HalCanary/skia-hc,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,rubenvb/skia,aosp-mirror/platform_external_skia,Hikari-no-Tenshi/android_external_skia,HalCanary/skia-hc,rubenvb/skia,google/skia,rubenvb/skia,rubenvb/skia,HalCanary/skia-hc,google/skia,HalCanary/skia-hc,HalCanary/skia-hc,rubenvb/skia,aosp-mirror/platform_external_skia,rubenvb/skia,rubenvb/skia,Hikari-no-Tenshi/android_external_skia,aosp-mirror/platform_external_skia,aosp-mirror/platform_external_skia,HalCanary/skia-hc,google/skia,HalCanary/skia-hc,google/skia,rubenvb/skia,HalCanary/skia-hc,aosp-mirror/platform_external_skia